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Disclosery

PFM Health Sciences, LP: MRK position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of PFM Health Sciences, LP on MRK, newest first. How the timeline and the estimate are built.

PFM Health Sciences, LP held 127,118 MRK shares at 2026-06-30 per its 13F-HR filed 2026-08-14.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 127,118 shares
    Change vs previous 13F +127,118 shares

    1.42% of the 13F portfolio, value $16,334,663.

    13F-HR 0001442756-26-000006 filed by PFM Health Sciences, LP
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  2. period ended2026-03-31
    13F 0 shares
    Change vs previous 13F -187,834 shares

    13F-HR 0001442756-26-000002 filed by PFM Health Sciences, LP
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

    Exited: the 13F for this period no longer lists the position.

  3. period ended2025-12-31
    13F 187,834 shares
    Change vs previous 13F -48,634 shares

    2% of the 13F portfolio, value $19,771,407.

    13F-HR 0001442756-26-000001 filed by PFM Health Sciences, LP
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  4. period ended2025-09-30
    13F 236,468 shares
    Change vs previous 13F +236,468 shares

    1.69% of the 13F portfolio, value $19,846,759.

    13F-HR 0001442756-25-000007 filed by PFM Health Sciences, LP
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  5. period ended2024-12-31
    13F 0 shares
    Change vs previous 13F -542,811 shares

    13F-HR 0001104659-25-014169 filed by PFM Health Sciences, LP
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

    Exited: the 13F for this period no longer lists the position.

  6. period ended2024-09-30
    13F 542,811 shares
    Change vs previous 13F not available

    3.54% of the 13F portfolio, value $61,641,617.

    13F-HR 0001104659-24-119211 filed by PFM Health Sciences, LP
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).